OpenTechnical

OT-2026-000093720

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000093720) never changes.

Identity and time

Publication numberOT-2026-000093720 · never reused
Internal UUID01a0ae9e-508c-704f-95ca-17e703b30852 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093720
StatusPUBLIC

Content hashes

Canonical textabf34ceb16f82948cc4fff9d1f2d2aad72602dd53e52b4967a0807f8328a8443
Markdownd5cb43eabb8a5cc473ded2b0d45185d4cbfa1e319464b6a3296be84b25fa0631
PDF
Publication pagebd592417a281532a9f30de038f82fc3ec671596c6c068a50a8e2272ee53ab026
Manifest588752dce712210899d62e5efb3626316170fb816ab21c522e57d6a0ba22685e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature63CP3WK85fAwcpJAH9gRDGIYVU6Jqip/zEyFMEZMUx8ZhtE9vKNUfYGwfpiqXB9lWTA/WFJEpB0kcDscNWRXBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:47.508917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093720
observed bd592417a281532a9f30de038f82fc3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:47.491432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093720/manifest.json
observed 588752dce712210899d62e5efb362631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:47.471855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093720/publication.md
observed d5cb43eabb8a5cc473ded2b0d45185d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:47.451760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093720/publication.txt
observed abf34ceb16f82948cc4fff9d1f2d2aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.